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Horizontal electromagnetic continuous casting equipment for copper alloy sheet

A copper alloy plate and horizontal technology, applied in the field of non-ferrous metallurgy and non-ferrous metal processing and preparation, can solve the problems of electromagnetic modification of horizontal continuous casting copper alloy plate and strip, achieve uniform solidification structure, reduce pouring temperature, and install simple effect

Inactive Publication Date: 2010-01-20
DALIAN UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on electromagnetic modification of horizontal continuous casting copper alloy strip

Method used

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  • Horizontal electromagnetic continuous casting equipment for copper alloy sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Fix the traveling wave linear magnetic field generator 4 on the front end of the horizontal continuous casting plate with water-cooled copper sleeve 3 and the upper side of the graphite crystallizer 2. Connect the terminal to a 50 Hz three-phase AC power supply, and then connect the graphite crystallizer with the cooling system Installed on the holding furnace 5, when the tin-phosphorus bronze liquid QSn6.5-0.1 in the holding furnace reaches 1140-1170°C, the tractor is started to start continuous casting. Turn on the power switch, by observing the color and solidification marks on the surface of the slab blank 1, adjust the current and the direction of the current flowing into the magnetic field generator until the surface color is gray and white and the solidification marks are straight. Maintain this stable state. produce.

[0020] Use a shear trigger to intercept the strip sample, observe its solidified structure, and test its mechanical properties. The yield strength ...

Embodiment 2

[0022] The two traveling wave linear magnetic field generators 4 are respectively fixed on the front end of the horizontal continuous casting plate with water-cooled copper sleeve 3, the upper and lower sides of the graphite crystallizer 2, and the connection terminals are connected to the 30 Hz two-phase AC power supply, and then the graphite The crystallizer and the cooling system are installed on the holding furnace. When the brass copper liquid H65 in the holding furnace reaches 1050-1080°C, the tractor is started to start continuous casting. Turn on the power switch, observe the surface condition of the slab blank 1, adjust the current and the direction of the current flowing into the magnetic field generator, until the surface color is gray and white and the solidification marks are straight, maintain this stable state and proceed with production.

[0023] Use a shear trigger to intercept the strip sample, observe its solidified structure, and test its mechanical properties....

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Abstract

An apparatus for the horizontal electromagnetic conticasting of Cu-alloy plate (or band) features that the traveling-wave linear magnetic field generator is fixed in the front end of water cooling copper jacket of horizontally conticast plate (or band) and outside graphite crystallizer and said magnetic field generator is internally cooled by water. Its method features that an AC at 1-100 H2 is applied to the said magnetic field generator and the phase and direction of said AC is changing to stir the molten metal, resulting in uniform temp, less generation of tree crystals, and high quality of product.

Description

Technical field [0001] The invention belongs to the technical field of non-ferrous metal metallurgy and non-ferrous metal processing and preparation, and particularly relates to a horizontal continuous casting method and device of copper and copper alloy strips. Background technique [0002] Copper alloy has good comprehensive mechanical properties and is an important industrial material. For example, tin phosphor bronze has excellent mechanical, physical and chemical properties such as high elasticity, wear resistance, good welding performance, corrosion resistance and easy cutting, no sparks when impacted, and high friction reduction ability. It is widely used in the electronic instrument and machinery industries, manufacturing terminal connectors, bellows and diaphragms, springs, fuse protectors, transfer switches and other connectors and sliding bearings, friction plates and other mechanical parts. [0003] Before the 1970s, copper alloy strip blanks were produced by iron mold...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/115
CPCB22D11/143B22D11/115B22D11/004
Inventor 李廷举金铿张兴国茹齐洋周文龙王月明贾非钱高祥余栋陈姚江陈忠良
Owner DALIAN UNIV OF TECH
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